| /* include/asm/mach-msm/htc_pwrsink.h |
| * |
| * Copyright (C) 2008 HTC Corporation. |
| * Copyright (C) 2007 Google, Inc. |
| * |
| * This software is licensed under the terms of the GNU General Public |
| * License version 2, as published by the Free Software Foundation, and |
| * may be copied, distributed, and modified under those terms. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| */ |
| #include <linux/kernel.h> |
| #include <linux/platform_device.h> |
| #include <linux/err.h> |
| #include <linux/hrtimer.h> |
| #include <../../../drivers/staging/android/timed_output.h> |
| #include <linux/sched.h> |
| |
| #include <mach/msm_rpcrouter.h> |
| |
| #define PM_LIBPROG 0x30000061 |
| #if defined(CONFIG_ARCH_MSM7X30) |
| #define PM_LIBVERS 0x00030001 |
| #elif defined(CONFIG_MSM_LEGACY_7X00A_AMSS) |
| #define PM_LIBVERS 0xfb837d0b |
| #else |
| #define PM_LIBVERS MSM_RPC_VERS(1,1) |
| #endif |
| |
| #if defined(CONFIG_ARCH_QSD8X50) || defined(CONFIG_ARCH_MSM7X30) |
| #define HTC_PROCEDURE_SET_VIB_ON_OFF 22 |
| #else |
| #define HTC_PROCEDURE_SET_VIB_ON_OFF 21 |
| #endif |
| #define PMIC_VIBRATOR_LEVEL (3000) |
| |
| static struct work_struct vibrator_work; |
| static struct hrtimer vibe_timer; |
| static spinlock_t vibe_lock; |
| static int vibe_state; |
| |
| static void set_pmic_vibrator(int on) |
| { |
| static struct msm_rpc_endpoint *vib_endpoint; |
| struct set_vib_on_off_req { |
| struct rpc_request_hdr hdr; |
| uint32_t data; |
| } req; |
| |
| if (!vib_endpoint) { |
| vib_endpoint = msm_rpc_connect(PM_LIBPROG, PM_LIBVERS, 0); |
| if (IS_ERR(vib_endpoint)) { |
| printk(KERN_ERR "init vib rpc failed!\n"); |
| vib_endpoint = 0; |
| return; |
| } |
| } |
| |
| if (on) |
| req.data = cpu_to_be32(PMIC_VIBRATOR_LEVEL); |
| else |
| req.data = cpu_to_be32(0); |
| |
| msm_rpc_call(vib_endpoint, HTC_PROCEDURE_SET_VIB_ON_OFF, &req, |
| sizeof(req), 5 * HZ); |
| } |
| |
| static void update_vibrator(struct work_struct *work) |
| { |
| set_pmic_vibrator(vibe_state); |
| } |
| |
| static void vibrator_enable(struct timed_output_dev *dev, int value) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&vibe_lock, flags); |
| hrtimer_cancel(&vibe_timer); |
| |
| if (value == 0) |
| vibe_state = 0; |
| else { |
| value = (value > 15000 ? 15000 : value); |
| vibe_state = 1; |
| hrtimer_start(&vibe_timer, |
| ktime_set(value / 1000, (value % 1000) * 1000000), |
| HRTIMER_MODE_REL); |
| } |
| spin_unlock_irqrestore(&vibe_lock, flags); |
| |
| schedule_work(&vibrator_work); |
| } |
| |
| static int vibrator_get_time(struct timed_output_dev *dev) |
| { |
| if (hrtimer_active(&vibe_timer)) { |
| ktime_t r = hrtimer_get_remaining(&vibe_timer); |
| return r.tv.sec * 1000 + r.tv.nsec / 1000000; |
| } else |
| return 0; |
| } |
| |
| static enum hrtimer_restart vibrator_timer_func(struct hrtimer *timer) |
| { |
| vibe_state = 0; |
| schedule_work(&vibrator_work); |
| return HRTIMER_NORESTART; |
| } |
| |
| static struct timed_output_dev pmic_vibrator = { |
| .name = "vibrator", |
| .get_time = vibrator_get_time, |
| .enable = vibrator_enable, |
| }; |
| |
| void __init msm_init_pmic_vibrator(void) |
| { |
| INIT_WORK(&vibrator_work, update_vibrator); |
| |
| spin_lock_init(&vibe_lock); |
| vibe_state = 0; |
| hrtimer_init(&vibe_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
| vibe_timer.function = vibrator_timer_func; |
| |
| timed_output_dev_register(&pmic_vibrator); |
| } |
| |
| MODULE_DESCRIPTION("timed output pmic vibrator device"); |
| MODULE_LICENSE("GPL"); |
| |